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Llama-3.1-8B-Instruct-heretic

p-e-w/Llama-3.1-8B-Instruct-heretic

Llama-3.1-8B-Instruct-heretic at Q4_K_M is exactly 4,920,739,808 bytes (4.58 GiB / 4.92 GB) — an effective 4.902 bits per weight, not the nominal 4.

From the file· summed from 1 file(s)
Parameters
8.0B
Architecture
llama
Context
—
native (config.json)
License
llama3.1

Shipped quantizations

● exact bytes, summed from published files
QuantSize●Exact bytes●Effective bpw●Tensors●Publisher
IQ2_M2.75 GiB2,948,286,4322.937—bartowski
Q2_K2.96 GiB3,179,136,9923.167—bartowski
IQ3_XXS3.05 GiB3,274,917,8563.263—bartowski
IQ3_XS3.28 GiB3,518,752,7363.506—bartowski
Q3_K_S3.41 GiB3,664,504,8003.651—bartowski
Q2_K_L3.44 GiB3,692,160,9923.678—bartowski
IQ3_M3.52 GiB3,784,828,8963.771—bartowski
Q3_K_M3.74 GiB4,018,923,4884.004—bartowski
I1-IQ1_S2 shards3.76 GiB4,039,267,1364.024—mradermacher
Q3_K_L4.03 GiB4,321,961,9524.306—bartowski
I1-IQ1_M2 shards4.03 GiB4,323,955,5204.308—mradermacher
IQ4_XS4.14 GiB4,447,668,1924.431—bartowski
Q4_04.35 GiB4,675,897,3124.658—bartowski
IQ4_NL4.36 GiB4,677,994,4644.660—bartowski
Q4_K_S4.37 GiB4,692,674,5284.675—bartowski
I1-IQ2_XXS2 shards4.47 GiB4,798,436,1604.780—mradermacher
Q4_K_M4.58 GiB4,920,739,8084.902—bartowski
Q4_14.78 GiB5,130,258,4005.111—bartowski
I1-IQ2_XS2 shards4.85 GiB5,211,575,1045.192—mradermacher
Q4_K_L4.95 GiB5,310,638,0485.291—bartowski
I1-IQ2_S2 shards5.14 GiB5,516,989,2485.496—mradermacher
Q5_K_S5.21 GiB5,599,299,5525.578—bartowski
Q5_K_M5.34 GiB5,732,992,9925.711—bartowski
I1-IQ2_M2 shards5.49 GiB5,896,573,7605.874—mradermacher
I1-Q2_K_S2 shards5.57 GiB5,977,641,7925.955—mradermacher
Q5_K_L5.64 GiB6,057,224,1606.034—bartowski
Q2_K2 shards5.92 GiB6,358,274,3366.334—mradermacher
I1-Q2_K2 shards5.92 GiB6,358,274,8806.334—mradermacher
I1-IQ3_XXS2 shards6.10 GiB6,549,836,6086.525—mradermacher
Q6_K6.14 GiB6,596,012,0006.571—bartowski
Q6_K_L6.38 GiB6,850,471,9046.825—bartowski
I1-IQ3_XS2 shards6.55 GiB7,037,506,3687.011—mradermacher
Q3_K_S2 shards6.83 GiB7,329,009,9527.301—mradermacher
I1-Q3_K_S2 shards6.83 GiB7,329,010,4967.301—mradermacher
I1-IQ3_S2 shards6.86 GiB7,364,662,0807.337—mradermacher
I1-IQ3_M2 shards7.05 GiB7,569,658,6887.541—mradermacher
Q3_K_M2 shards7.49 GiB8,037,847,3288.008—mradermacher
I1-Q3_K_M2 shards7.49 GiB8,037,847,8728.008—mradermacher
Q8_07.95 GiB8,540,776,4168.509—bartowski
Q3_K_L2 shards8.05 GiB8,643,924,2568.611—mradermacher

Compare with

same modality, comparable size
vs gemma-4-12B-it-qat-q4_0-unquantizedvs gemma-4-E4B-itvs Qwen3-4Bvs Qwen3-8Bvs Llama-3.2-1B-Instructvs llama-3-youko-8bAll alternatives →Will it fit on my card? →

Will it run on your card?

full quant x context sweep
By VRAM:8GB12GB16GB24GB32GB48GB
Radeon RX 6500 XT 4GBGeForce RTX 3050 6GBGeForce RTX 5050 8GBGeForce RTX 3080 10GBGeForce RTX 2080 Ti 11GBGeForce RTX 5070 12GBGeForce RTX 5060 Ti 16GBApple M3 Pro 18GBGeForce RTX 3080 Ti 20GBGeForce RTX 5090 D V2 24GBGeForce RTX 5090 D 32GBApple M5 Max 36GBApple M5 Pro 48GBApple M5 Max 64GBApple M3 Ultra 96GBApple M5 Max 128GBApple M2 Ultra 192GBApple M3 Ultra 256GBApple M3 Ultra 512GB

Why other calculators give a different number

A parameters × bits ÷ 8 estimate puts Q4_K_M at roughly 4.21 GiB. The real file is 4.58 GiB, because a quantization is a mixture and some tensors are always kept at higher precision.

Architecture

Architecture unavailable — this repository is gated and no ungated mirror was found. Exact file sizes above are still authoritative; only the KV math needs the config.

Questions people ask

How much VRAM does Llama-3.1-8B-Instruct-heretic need?
Q4_K_M is exactly 4,920,739,808 bytes (4.58 GiB) in weights. Add the KV cache, which depends on your context length, plus roughly half a gigabyte of runtime overhead.
Which quantization of Llama-3.1-8B-Instruct-heretic should I use?
Q4_K_M is the usual default. Pick the largest quantization that fits your card at the context you actually need — the table above gives exact sizes for every one published.